iPhone4,1

  • ModeliPhone4,1
  • Boardn94ap
Signed

iOS 9.3.6 (13G37) is signed

Apple's signing server is signing this firmware, so you can restore or update to it now. Checked with Apple .

Signed in every check since Oct 19, 2026.

Download IPSW 1.6 GB

From updates-http.cdn-apple.com (Apple). Signet never hosts files.

Restore images (IPSW) 5

3 older releases are no longer signed. Apple still hosts the files, but a device can't restore to them.

VersionReleasedStatusExpiresSize
iOS 9.3.6 13G37-Signed Signed by Apple Signed in every check since Oct 19, 2026. Apple doesn't publish signing end dates; Signet records them by checking on a schedule.-1.6 GB
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iOS 9.3.5 13G36-Signed Signed by Apple Signed in every check since Oct 19, 2026. Apple doesn't publish signing end dates; Signet records them by checking on a schedule.-1.6 GB
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iOS 9.1 13B143-Not signed No longer signed Replaced by iOS 9.3.5. Unsigned since Signet's first check, Oct 19, 2026. Apple doesn't publish signing end dates; Signet records them by checking on a schedule.- End date unknown Apple doesn't publish when it stops signing a build, and there's no later release on record to estimate from. Signet's first check, Oct 19, 2026, found it unsigned.1.6 GB
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iOS 6.1.3 10B329-Not signed No longer signed Unsigned since Signet's first check, Oct 19, 2026. Apple doesn't publish signing end dates; Signet records them by checking on a schedule.- End date unknown Apple doesn't publish when it stops signing a build, and there's no later release on record to estimate from. Signet's first check, Oct 19, 2026, found it unsigned.965 MB
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iOS 5.1.1 9B206-Not signed No longer signed Replaced by iOS 6.1.3. Unsigned since Signet's first check, Oct 19, 2026. Apple doesn't publish signing end dates; Signet records them by checking on a schedule.- End date unknown Apple doesn't publish when it stops signing a build, and there's no later release on record to estimate from. Signet's first check, Oct 19, 2026, found it unsigned.842 MB
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